134243583 has 4 divisors (see below), whose sum is σ = 178991448. Its totient is φ = 89495720.

The previous prime is 134243579. The next prime is 134243587. The reversal of 134243583 is 385342431.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (134243579) and next prime (134243587).

It is a cyclic number.

It is not a de Polignac number, because 134243583 - 2² = 134243579 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134243587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22373928 + ... + 22373933.

It is an arithmetic number, because the mean of its divisors is an integer number (44747862).

Almost surely, 2^134243583 is an apocalyptic number.

134243583 is a deficient number, since it is larger than the sum of its proper divisors (44747865).

134243583 is an equidigital number, since it uses as much as digits as its factorization.

134243583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44747864.

The product of its digits is 34560, while the sum is 33.

The square root of 134243583 is about 11586.3533089579. The cubic root of 134243583 is about 512.0328742218.

The spelling of 134243583 in words is "one hundred thirty-four million, two hundred forty-three thousand, five hundred eighty-three".